#!/bin/bash
# Check network storage mounts (NFS/CIFS)
set -euo pipefail

SEND_NTFY="/usr/local/bin/send-ntfy.sh"

# Network mounts to check
MOUNTS=(
    "/mnt/pve/Fred:NFS Fred (Backups)"
    "/mnt/pve/iMacHDD:CIFS iMac"
)

for mount_config in "${MOUNTS[@]}"; do
    IFS=':' read -r MOUNT_PATH MOUNT_NAME <<< "$mount_config"
    
    # Check if mount point exists and is mounted
    if ! mountpoint -q "$MOUNT_PATH" 2>/dev/null; then
        $SEND_NTFY critical "Network Storage Down" "🔴 CRITICAL: $MOUNT_NAME not mounted at $MOUNT_PATH!" "skull,error,cd"
        continue
    fi
    
    # Check if accessible (with timeout)
    if ! timeout 5 ls "$MOUNT_PATH" >/dev/null 2>&1; then
        $SEND_NTFY critical "Network Storage Stale" "🔴 CRITICAL: $MOUNT_NAME is STALE/FROZEN at $MOUNT_PATH (timeout)" "skull,error,cd"
        continue
    fi
    
    # Check disk usage
    DISK_INFO=$(df -h "$MOUNT_PATH" 2>/dev/null | tail -1)
    USAGE=$(echo "$DISK_INFO" | awk '{print $5}' | sed 's/%//')
    USED=$(echo "$DISK_INFO" | awk '{print $3}')
    TOTAL=$(echo "$DISK_INFO" | awk '{print $2}')
    FREE=$(echo "$DISK_INFO" | awk '{print $4}')
    
    if [ "$USAGE" -gt 90 ]; then
        $SEND_NTFY critical "Network Storage Full" "🔴 CRITICAL: $MOUNT_NAME at ${USAGE}%\nUsed: $USED/$TOTAL, Free: $FREE" "cd,skull"
    elif [ "$USAGE" -gt 80 ]; then
        $SEND_NTFY warning "Network Storage High" "🟡 WARNING: $MOUNT_NAME at ${USAGE}%\nUsed: $USED/$TOTAL, Free: $FREE" "cd,warning"
    fi
    
    logger -t network-storage-monitor "$MOUNT_NAME: ${USAGE}% used"
done